Shop by Brand Yamaha OutboardPiston/Piston Kit ; Piston Pin ; Piston Ring Back Piston Ring 647-11610-00-00 STD Viewer:712 OEM No. : 647-11610-00-00-STD For YAMAHA Outboard 8 HP You May Also Be Interested In Piston Kit 664-11635-00 0.25 Piston Ring 676-11610-10 0.25 Piston Kit 393271/0393271 STD Gasket, Exhaust Inner Cover 6F5-41112-00/6F5-41112-A0